{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "Vectors derived from a recombinant retrovirus or a DNA / protein complex can efficiently transduce the PAH cDNA into PAH - deficient hepatocytes in vitro , but the application of these vector systems is presently limited by their low transduction efficiency in vivo ."}
{"Disease": ["PAH - deficient"]}